Shock absorber



FIG. 1 is a perspective view of the front, top and right side of a first embodiment of a shock absorber showing my new design;

FIG. 2 is a perspective view of the front and left side thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a reference view of usage of the first embodiment;

FIG. 10 is a perspective view of the front, top and left side of a second embodiment a shock absorber showing my new design;

FIG. 11 is a perspective view of the front and right side thereof;

FIG. 12 is a front view thereof;

FIG. 13 is a rear view thereof;

FIG. 14 is a left side view thereof;

FIG. 15 is a right side view thereof;

FIG. 16 is a top plan view thereof;

FIG. 17 is a bottom view thereof; and,

FIG. 18 is a reference view of usage of the second embodiment.

The broken lines shown are included for the purpose of illustrating the unclaimed portions of and form no part of the claimed design. 

CLAIM The ornamental design for a shock absorber, as shown and described. 